Read and choose the correct answer.

Mi hermano tiene el pelo pelirrojo y tiene 15 años. A él le gustan las clases de matemáticas. No es atlético. Mi hermano es responsable y serio.

Based on what you read, select the statement that is not true about her brother.

A. He has red hair.
B. He is serious.
C. He is active.
D. He is responsible.